Sram Red E1 XG-1290 12-speed 10/30T cassette sprocket 03014855

SRAM RED XG-1290 E1 is a premium 12-speed cassette designed for modern road drivetrains. It features a lightweight and extremely durable one-piece X-DOME design that provides minimal weight and maximum durability. The precisely machined sprockets ensure smooth and fast shifting while maintaining an optimal pedaling rhythm.
The 10–30T version combines aggressive gears for high speed with a wide enough range for climbs, making it ideal for diverse road conditions, racing, and dynamic riding. It is compatible with the XDR driver and all SRAM AXS 12-speed road groups. It delivers quiet, stable, and fast shifting even under load.

Technical specifications

Speeds: 12

Configuration: 10–30T

Sprockets: 10, 11, 12, 13, 14, 15, 17, 19, 21, 24, 27, 30

Compatibility: XDR driver

Compatible systems: SRAM Road AXS 12-speed (1x and 2x)

Construction type: one-piece X-DOME body

Advantages: fast and smooth shifting, low weight, high strength

Suitable for: road cycling, racing, all-round and dynamic courses